SB2024080716 - Red Hat Enterprise Linux 8 update for kernel

Description

This security bulletin contains information about 12 vulnerabilities.

1) Improper locking (CVE-ID: CVE-2023-52486)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the drivers/gpu/drm/drm_plane.c. A local user can perform a denial of service (DoS) attack.

2) Resource management error (CVE-ID: CVE-2024-26640)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the skb_advance_to_frag() function in net/ipv4/tcp.c. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.

3) Improper locking (CVE-ID: CVE-2024-26810)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the vfio_send_intx_eventfd(), vfio_pci_intx_mask(), vfio_pci_intx_unmask_handler(), vfio_pci_set_intx_unmask() and vfio_pci_set_intx_mask() functions in drivers/vfio/pci/vfio_pci_intrs.c. A local user can perform a denial of service (DoS) attack.

4) Improper locking (CVE-ID: CVE-2024-26826)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the __mptcp_retransmit_pending_data() function in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.

5) Buffer overflow (CVE-ID: CVE-2024-26870)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the nfs4_listxattr() function in fs/nfs/nfs4proc.c. A local user can escalate privileges on the system.

6) Use-after-free (CVE-ID: CVE-2024-26961)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the mac802154_llsec_key_del_rcu() function in net/mac802154/llsec.c. A local user can escalate privileges on the system.

7) Use-after-free (CVE-ID: CVE-2024-35789)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ieee80211_change_station() function in net/mac80211/cfg.c. A local user can escalate privileges on the system.

8) Reachable Assertion (CVE-ID: CVE-2024-36000)

CWE-ID: CWE-617 - Reachable Assertion

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to reachable assertion within the alloc_huge_page() function in mm/hugetlb.c. A local user can perform a denial of service (DoS) attack.

9) Out-of-bounds read (CVE-ID: CVE-2021-47393)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds read error within the mlxreg_fan_set_cur_state() function in drivers/hwmon/mlxreg-fan.c. A local user can perform a denial of service (DoS) attack.

10) Use-after-free (CVE-ID: CVE-2024-38555)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the cmd_comp_notifier() function in drivers/net/ethernet/mellanox/mlx5/core/cmd.c. A local user can escalate privileges on the system.

11) Resource management error (CVE-ID: CVE-2024-33621)

CWE-ID: CWE-399 - Resource Management Errors

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the ipvlan_process_v4_outbound() and ipvlan_process_v6_outbound() functions in drivers/net/ipvlan/ipvlan_core.c. A local user can perform a denial of service (DoS) attack.

12) NULL pointer dereference (CVE-ID: CVE-2024-36489)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the tls_ctx_create() function in net/tls/tls_main.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/errata/RHSA-2024:5065